<template>
  <el-container class="home-container">
    <!-- 头部区域 -->
    <el-header>
      <div>
        <img src="#" alt="" />
        <span>电商后台管理系统</span>
      </div>
    </el-header>
    <!-- 页面主题区域 -->
    <el-container>
      <!-- 页面侧边栏 -->
      <el-aside :width="isCollapse ? '64px':'200px'">
        <div class="toggle_button" @click="toggleCollapse">|||</div>
        <el-menu
          class="el-menu-vertical-demo"
          background-color="#333744"
          text-color="#fff"
          active-text-color="#409eff"
          :unique-opened="true"
          :collapse="isCollapse"
          :collapse-transition="false"
          :router="true"
          :default-active="$route.path"
        >
          <!-- 一级菜单 -->
          <el-submenu :index="item.id + ''" v-for="item in menuList" :key="item.id">
            <!-- 一级菜单的模板区 -->
            <template slot="title">
              <!-- 图标 -->
              <i :class="iconsObj[item.id]"></i>
              <!-- 文本 -->
              <span>{{item.authName}}</span>
            </template>

             <!-- 二级菜单 -->
             <!-- index属性可以作为侧边栏路由的跳转地址 -->
            <el-menu-item :index="'/' + subItem.path" v-for="subItem in item.children" :key="subItem.id">
              <!-- 二级菜单的模板区 -->
              <template slot="title">
                <!-- 图标 -->
                <i class="el-icon-menu"></i>
                <!-- 文本 -->
                <span>{{subItem.authName}}</span>
              </template>
            </el-menu-item>
          </el-submenu>
        </el-menu>
      </el-aside>
      <!-- 右侧内容主题区域 -->
      <el-main>
        <!-- 路由占位符 -->
        <router-view></router-view>
      </el-main>
    </el-container>
  </el-container>
</template>
<script>
export default {
  data: function () {
    return {
      // 左侧菜单数据
      menuList: [],
      // 是否折叠
      isCollapse: false,
      // 图标lieb
      iconsObj: {
        125: 'el-icon-user',
        103: 'el-icon-s-claim',
        101: 'el-icon-goods',
        102: 'el-icon-s-order',
        145: 'el-icon-s-data'
      }
    }
  },
  created () {
    this.getMenuList()
  },
  methods: {

    async getMenuList () {
      const { data: res } = await this.$http.get('menus')
      if (res.meta.status !== 200) return this.$message.error(res.meta.msg)
      this.menuList = res.data
    },
    // 点击按钮，切换菜单的折叠与转换
    toggleCollapse () {
      this.isCollapse = !this.isCollapse
    },
    // 退出登录
    logout () {
      // 清空token
      window.sessionStorage.clear()
      // 重定向到login页面
      this.$router.push('/login')
    }
  }
}
</script>
<style  scoped>

.home-container {
  height: 100%;
}
.el-header {
  background-color: #373d41;
  display: flex;
  justify-content: space-between;
  padding-left: 0px;
  align-items: center;
  color: #fff;
  font-size: 20px;
  > div {
    display: flex;
    align-items: center;
    span {
      margin-left: 15px;
    }
  }
}
.el-aside {
  background-color: #333744;
  .el-menu{
      border-right: none;
  }
}
.el-main {
  background-color: #eaedf1;
}
.iconfont{
    margin-left: 12px;
}
.toggle_button{
  background-color: #4a5064;
  font-size: 10px;
  color:#fff;
  line-height: 24px;
  text-align: center;
  letter-spacing: 0.2em;
}
</style>
